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GX21833 48 Inch Mower Deck Belt, Compatible with John Deere D140 D160 LA145 E140 S170 Z255, Replaces GX20571 & GX21833, Also Fits Select Toro & Exmark Models, Aramid Cord, 1/2" x 141.7"
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Grade
Analysis Confidence
20%
🏷️ Price includes Coupon savings
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Price verified Sep 27, 2026 6:07 PM · Prices & availability subject to change
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📝 Product Overview
🏪 Sold by
Autonano-US
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓BELT SIZE: 1/2" Wide x 141.7" Long (12.7mm x 3599mm) Deck Belt – OEM-matched dimensions for John Deere 48-inch mower decks. Replaces OEM part numbers GX21833 and GX20571 (GX21833 is the current superseding part number). Also cross-references Cub Cadet/MTD 754-05008, 954-05008 for easy part verification.
✓COMPATIBLE WITH JOHN DEERE D-SERIES & E-SERIES (48" DECK): Fits D-Series: D140, D150, D155, D160. E-Series: E140, E150, E160, E170. Also fits 100 Series: 145, 155C. All configurations with 48-inch twin-blade mower decks.
✓COMPATIBLE WITH JOHN DEERE L-SERIES, LA-SERIES & X-SERIES (48" DECK): Fits L-Series: L120, L130. LA-Series: LA130, LA140, LA145, LA155, LA165. X-Series: X140, X165, X166, X167. S-Series: S140, S160, S170. All with 48-inch mower deck configurations.
✓COMPATIBLE WITH JOHN DEERE Z-SERIES, TORO & EXMARK 50" PLATFORMS: Fits John Deere Z255, Z355E EZtrak Zero-Turn with 48-inch decks. Also compatible with Toro TimeCutter 50-inch: SS5000, MX5000, MX5060, MX5075, ZS5000, models 74630-75761TA series. Fits Exmark QUEST 50-inch: QSS708GEM50200, QSS725GKC50200, QT24KA501, QTE708GEM50200, and select Quest series.
✓ARAMID CORD CONSTRUCTION FOR SUPERIOR STRENGTH: Built with high-tensile aramid (Kevlar-class) cord reinforcement that resists heat, abrasion, and stretching under heavy mowing loads. Outperforms standard polyester-rubber belts with greater breaking strength and longer service life.
✓FLAT BELT PROFILE WITH WRAPPED OUTER COVER: The wrapped fabric outer layer reduces pulley friction and protects the belt core from debris and moisture. Seam is positioned on the reverse side, away from pulley contact surfaces, minimizing wear and preventing premature cracking.
✓OEM-GRADE PRECISION FIT – NO SLIPPAGE OR ROLLOVER: Engineered to OEM tolerances for consistent tension across all idler and spindle pulleys on 48-inch John Deere deck configurations. Proper belt routing maintained from the first mow.
✓EASY INSTALLATION – INSPECT PULLEYS BEFORE FITTING: Designed for straightforward DIY replacement on all listed 48-inch deck configurations compatible with John Deere D/E/L/LA/X/S/Z-Series, Toro TimeCutter, and Exmark Quest platforms. Inspect pulleys and bearings before installing. Backed by AUTONANO customer support.
⚙️ Specifications
Brand
Autonano
Material
Rubber
Product Dimensions
141.7"L x 0.5"W
Belt Style
Flat Belt
Compatible Devices
Lawn Mower
Brand Name
Autonano
Number of Items
1
Manufacturer
Autonano
Unit Count
1 Count
Included Components
1X Lawn Mower Belt
Style Number
GX21833
